#!/bin/bash
#leao:Thu Aug 22 01:36:31 PM CST 2024
function my_fun1 {
    echo "function my_fun1" $0 $1 $2
      return 0  
}
function my_fun2(){
    echo "function my_fun()2" $0 $1 $2
    return  9

}
my_fun3() {
    echo "my_fun3() " $0 $1 $2
    return  8
}
my_fun1 "1" "2"
echo $?
my_fun2 "3" "4"
echo $?
my_fun3 "5" "6"
echo $?
printf "%d %d \n" "7" "8"

